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CVE-2019-11287

27
FAUCET Score

CVE-2019-11287 describes a denial-of-service vulnerability in the web management plugin of Pivotal RabbitMQ (versions prior to 3.7.21 and 3.8.1) and RabbitMQ for Pivotal Platform (versions prior to 1.16.7 and 1.17.4). An unauthenticated attacker can exploit this by injecting a malicious Erlang format string into the "X-Reason" HTTP header, causing the server's heap to be consumed and leading to a crash. This vulnerability has a CVSS score of 7.5 (High), indicating a high impact on availability with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.8.0, < 3.8.1CPE matchmatch criteria
cpe:2.3:a:broadcom:rabbitmq_server:*:*:*:*:*:*:*:*
>= 1.16.0, < 1.16.7CPE matchmatch criteria
cpe:2.3:a:pivotal_software:rabbitmq:*:*:*:*:*:pivotal_cloud_foundry:*:*
>= 1.17.0, < 1.17.4CPE matchmatch criteria
cpe:2.3:a:pivotal_software:rabbitmq:*:*:*:*:*:pivotal_cloud_foundry:*:*
>= 3.7.0, < 3.7.21CPE matchmatch criteria
cpe:2.3:a:pivotal_software:rabbitmq:*:*:*:*:*:*:*:*
30CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.52%
Probability of exploitation in next 30 days
EPSS Percentile
90.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0452 is in the 83rd percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

erlangpatch availablevia ghsa
Product: RabbitMQFixed in: 3.7.21
erlangpatch availablevia ghsa
Product: RabbitMQFixed in: 3.8.1
erlangpatch availablevia ghsa
Product: RabbitMQFixed in: 1.16.7
erlangpatch availablevia ghsa
Product: RabbitMQFixed in: 1.17.4
redhatpatch availablevia redhat_api
Product: Red Hat OpenStack Platform 15.0 (Stein)Fixed in: rabbitmq-server-0:3.7.22-1.el8ost
View patch
redhatno patchvia redhat_api
Product: Red Hat OpenStack Platform 16 (Train)Fixed in: rabbitmq-server

Vendor Advisories (2)

erlangGHSA-hrfh-7j5f-8ccrhigh

Pivotal RabbitMQ is vulnerable to a denial of service attack

May 24, 2022
redhatCVE-2019-11287Important

rabbitmq-server: "X-Reason" HTTP Header can be leveraged to insert a malicious string leading to DoS

Dec 13, 2019

References

access.redhat.com / errata/RHSA-2020:0078
Third Party Advisory
github.com / DrunkenShells/Disclosures/tree/master/CVE-2019-11287-DoS%20via%20Heap%20Overflow-RabbitMQ%20Web%20Management%20Plugin
ExploitThird Party Advisory
lists.debian.org / debian-lts-announce/2021/07/msg00011.html
Third Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/EEQ6O7PMNJKYFMQYHAB55L423GYK63SO
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/PYTGR3D5FW2O25RXZOTIZMOD2HAUVBE4
pivotal.io / security/cve-2019-11287
Vendor Advisory